Annotation of sys/arch/powerpc/include/signal.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: signal.h,v 1.7 2006/01/08 14:20:17 millert Exp $ */
! 2: /* $NetBSD: signal.h,v 1.1 1996/09/30 16:34:34 ws Exp $ */
! 3:
! 4: /*
! 5: * Copyright (C) 1995, 1996 Wolfgang Solfrank.
! 6: * Copyright (C) 1995, 1996 TooLs GmbH.
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by TooLs GmbH.
! 20: * 4. The name of TooLs GmbH may not be used to endorse or promote products
! 21: * derived from this software without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
! 24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 26: * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
! 27: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
! 28: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
! 29: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
! 30: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
! 31: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
! 32: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 33: */
! 34: #ifndef _POWERPC_SIGNAL_H_
! 35: #define _POWERPC_SIGNAL_H_
! 36:
! 37: #include <sys/cdefs.h>
! 38:
! 39: typedef int sig_atomic_t;
! 40:
! 41: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
! 42: #include <machine/_types.h>
! 43:
! 44: /*
! 45: * We have to save all registers on every trap, because
! 46: * 1. user could attach this process every time
! 47: * 2. we must be able to restore all user registers in case of fork
! 48: * Actually, we do not save the fp registers on trap, since
! 49: * these are not used by the kernel. They are saved only when switching
! 50: * between processes using the FPU.
! 51: *
! 52: */
! 53: struct trapframe {
! 54: __register_t fixreg[32];
! 55: __register_t lr;
! 56: __register_t cr;
! 57: __register_t xer;
! 58: __register_t ctr;
! 59: int srr0;
! 60: int srr1;
! 61: int dar; /* dar & dsisr are only filled on a DSI trap */
! 62: int dsisr;
! 63: __register_t exc;
! 64: };
! 65:
! 66: struct sigcontext {
! 67: int sc_onstack; /* saved onstack flag */
! 68: int sc_mask; /* saved signal mask */
! 69: struct trapframe sc_frame; /* saved registers */
! 70: };
! 71: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
! 72: #endif /* _POWERPC_SIGNAL_H_ */
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